- Net volume
- 114L
- Tuning
- 35Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
15-inch LF driver · 15TBX series · 100 mm voice coil · 1,000 W
B&C 15TBX100 8Ω
35–1500 Hz
£228.26
SteadyJP Leisure · In stock · All 11 offers
- Fs
- 35Hz
- Xmax
- 9mm
- SPL
- 94dB
- Pe
- 1000W
- BL
- 25.5T·m
- Vd
- 770cm³
- Qts
- 0.28
- Vas
- 113L
Published graphs
B&C 15TBX100 is a 15-inch 8 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.28, Vas 113 L, Xmax 9 mm, sensitivity 94.1 dB, plus 770 cm³ Vd and 117 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £224.09.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.28
- Qes
- 0.30
- Qms
- 5.2
- Vas
- 113L
- Re
- 5.1Ω
- Le
- 1.60mH
Motor and cone
- BL
- 25.5T·m
- Sd
- 855cm²
- Mms
- 163g
- Xmax
- 9mm
- Vd †
- 770cm³
- Voice coil
- 100mm
- Flux density
- 1.10T
Power and response
- Sensitivity †
- 94.1dB
- Manufacturer sensitivity
- 96dB
- Power
- 1000W
- Nominal power
- 1000W
- Impedance
- 8Ω
- Min. impedance
- 6.2Ω
- Range
- 35–1500Hz
- EBP †
- 117 · Leans vented
Size and mounting
- Diameter
- 393mm
- Cutout
- 354mm
- Bolt circle
- 374mm
- Depth
- 181mm
- Weight
- 12.4kg
Sensitivity shows 94.1 dB, calculated from the T/S values. B&C publishes 96.0 dB, 1.9 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 25.5T·m
- Fs
- 35Hz
- Le
- 1.60mH
- Re
- 5.1Ω
- Sd
- 855cm²
- Mms
- 163g
- Qes
- 0.30
- Qms
- 5.2
- Qts
- 0.28
- SPL
- 94.1dB
- Vas
- 113L
- Xmax
- 9mm
- Power
- 1000W
- Impedance
- 8Ω
- Flux density
- 1.10T
- Sensitivity
- 96dB
- Low limit
- 35Hz
- Nominal power
- 1000W
- Calculated sensitivity †
- 94.1dB
- High limit
- 1500Hz
- Manufacturer sensitivity
- 96dB
- Min. impedance
- 6.2Ω
- Voice coil
- 100mm
- Weight
- 12.4kg
- Diameter
- 393mm
- Depth
- 181mm
- Cutout
- 354mm
- Bolt circle
- 374mm
- Bl
- 25.5 Tm
- Fs
- 35 Hz
- Le
- 1.6 mH
- Re
- 5.1 Ω
- Sd
- 855 cm² (132.5 in²)
- Ebp
- 117 Hz
- Mms
- 163 g
- Qes
- 0.3
- Qms
- 5.2
- Qts
- 0.28
- Vas
- 113 dm³ (3.8 ft³)
- Η0
- 1.95 %
- Cone
- RCK15TBX1008
- Xmax
- 9 mm
- Xvar
- 11 mm
- Depth
- 181 mm (7.1 in)
- Spider
- Double Silicone
- Cone shape
- Radial
- Net weight
- 12.4 kg (27.34 lb)
- Pole design
- T-Pole
- Sensitivity
- 96 dB
- Flux density
- 1.1 T
- Shipping box
- 425x425x224 mm (16.73x16.73x8.82 in)
- Winding depth
- 25 mm (1 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 35 Hz - 1500 Hz
- Magnet material
- Ferrite
- Shipping weight
- 13.7 kg (30.2 lb)
- Nominal diameter
- 380 mm (15 in)
- Overall diameter
- 393 mm (15.5 in)
- Winding material
- Copper
- Minimum impedance
- 6.2 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 12 mm (0.5 in)
- Recommended tuning
- 35 Hz
- Voice coil diameter
- 100 mm (4 in)
- Bolt circle diameter
- 374 mm (14.7 in)
- Recommended enclosure
- 114 dm³ (4.03 ft³)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 354 mm (13.9 in)
- Nominal power handling
- 1000 W
- Continuous power handling
- 2000 W
- Flange and gasket thickness
- 16 mm (0.62 in)
- Air volume occupied by driver
- 5.4 dm³ (0.19 ft³)
B&C’s suggested box
From B&C’s 15TBX100 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 15TBX100. Clear differences are green when better and red when worse.
This driver15TBX100
Best price
£224.09
Fs
35 Hz
Qts
0.28
Vas
113 L
BL
25.5 T·m
Xmax
9 mm
Sensitivity
94.1 dB
Power
1000 W
CelestionCF1540HD
£177.40 · 21% less, betterFs41 Hz +17%, worse
Qts0.30 +9%
Vas108.3 L −4%
BL24.4 T·m −4%
Xmax10.5 mm +17%, better
Sensitivity95.6 dB +1.5
B&C15PZB100
£199.99 · 11% less, betterFs39 Hz +11%, worse
Qts0.29 +4%
Vas110 L –
BL25.8 T·m –
Xmax8 mm −11%, worse
Sensitivity95.4 dB +1.3
Precision DevicesPD.154C001
£222.00 · Same priceFs45 Hz +29%, worse
Qts0.31 +11%, worse
Vas128 L +13%, worse
BL25.5 T·m –
Xmax8.2 mm −9%
Sensitivity97.4 dB +3.3, better
MonacorCF1540HD/8
£228.33 · 2% moreFs41 Hz +17%, worse
Qts0.30 +9%
Vas108.3 L −4%
BL24.4 T·m −4%
Xmax10.5 mm +17%, better
Sensitivity95.6 dB +1.5
RCFLF15G401
£238.26 · 6% more, worseFs36 Hz –
Qts0.26 −7%
Vas150 L +33%, worse
BL24.6 T·m −4%
Xmax9 mm –
Sensitivity96.2 dB +2.1, better
Eighteen Sound15LW1401
£254.65 · 14% more, worseFs42 Hz +20%, worse
Qts0.27 −4%
Vas131 L +16%, worse
BL24.2 T·m −5%
Xmax9 mm –
Sensitivity97.4 dB +3.3, better
Eighteen Sound15LW1410
£254.65 · 14% more, worseFs42 Hz +20%, worse
Qts0.27 −4%
Vas131 L +16%, worse
BL24.1 T·m −5%
Xmax8.5 mm −6%
Sensitivity97.4 dB +3.3, better
FaitalPRO15HP1020
£263.08 · 17% more, worseFs40 Hz +14%, worse
Qts0.27 −4%
Vas126.6 L +12%, worse
BL24.2 T·m −5%
Xmax9 mm –
Sensitivity96.6 dB +2.5, better
Eighteen Sound15LW2400
£265.68 · 19% more, worseFs40 Hz +14%, worse
Qts0.30 +7%
Vas131 L +16%, worse
BL24 T·m −6%
Xmax10 mm +11%, better
Sensitivity96.2 dB +2.1, better
B&C15NBX100
£267.25 · 19% more, worseFs36 Hz –
Qts0.29 +4%
Vas125 L +11%, worse
BL25 T·m –
Xmax10 mm +11%, better
Sensitivity94.8 dB +0.7
Eighteen Sound15NLW9401
£288.50 · 29% more, worseFs39 Hz +11%, worse
Qts0.26 −7%
Vas134 L +19%, worse
BL25.4 T·m –
Xmax10 mm +11%, better
Sensitivity96.6 dB +2.5, better
B&C15NA100
£303.88 · 36% more, worseFs47 Hz +34%, worse
Qts0.28 –
Vas88 L −22%, better
BL26.3 T·m +3%
Xmax10 mm +11%, better
Sensitivity97 dB +2.9, better
Sica15 K 4 PL
£309.82 · 38% more, worseFs47 Hz +33%, worse
Qts0.30 +7%
Vas102.3 L −9%
BL23.9 T·m −6%
Xmax8 mm −11%, worse
Sensitivity97.2 dB +3.1, better
FaitalPRO15HX500
£432.05 · 93% more, worseFs40 Hz +14%, worse
Qts0.28 –
Vas150.1 L +33%, worse
BL22.2 T·m −13%, worse
Xmax9.4 mm +4%
Sensitivity97.2 dB +3.1, better
B&C15CXN88
£494.86 · 121% more, worseFs47 Hz +34%, worse
Qts0.30 +7%
Vas124 L +10%
BL20.1 T·m −21%, worse
Xmax9.5 mm +6%
Sensitivity98.2 dB +4.1, better
B&C15HTX100
£778.27 · 247% more, worseFs52 Hz +49%, worse
Qts0.29 +4%
Vas78 L −31%, better
BL27 T·m +6%
Xmax10 mm +11%, better
Sensitivity97.6 dB +3.5, better
Oberton15XB1000
No current priceFs37 Hz +6%
Qts0.28 –
Vas111.0 L –
BL25.6 T·m –
Xmax9 mm –
Sensitivity94.9 dB +0.8
Oberton15XB700
No current priceFs37 Hz +6%
Qts0.28 –
Vas111.0 L –
BL25.6 T·m –
Xmax9 mm –
Sensitivity94.9 dB +0.8
Oberton15NXB1000
No current priceFs38 Hz +10%
Qts0.28 –
Vas105.5 L −7%
BL26.0 T·m –
Xmax9 mm –
Sensitivity95.1 dB +1
Oberton15NXB700
No current priceFs38 Hz +10%
Qts0.28 –
Vas105.5 L −7%
BL26.0 T·m –
Xmax9 mm –
Sensitivity95.1 dB +1
Oberton15XL700
No current priceFs45 Hz +29%, worse
Qts0.28 –
Vas117.0 L +4%
BL23.1 T·m −10%
Xmax8.8 mm –
Sensitivity97.8 dB +3.7, better
Oberton15XL701
No current priceFs45 Hz +29%, worse
Qts0.28 –
Vas117.0 L +4%
BL23.1 T·m −10%
Xmax8.8 mm –
Sensitivity97.8 dB +3.7, better
Oberton15MB701
No current priceFs44 Hz +26%, worse
Qts0.27 −4%
Vas100.2 L −11%, better
BL26.1 T·m –
Xmax9.3 mm –
Sensitivity97 dB +2.9, better
Sica15 SR 4 CP
No current priceFs34 Hz –
Qts0.29 +4%
Vas101.2 L −10%, better
BL25.0 T·m –
Xmax8 mm −11%, worse
Sensitivity93.3 dB −0.8
Precision DevicesPD.1550/2
No current priceFs46 Hz +32%, worse
Qts0.29 +4%
Vas126.4 L +12%, worse
BL26.6 T·m +4%
Xmax8.2 mm −9%
Sensitivity98.2 dB +4.1, better
BMS15S435
No current priceFs38 Hz +9%
Qts0.28 –
Vas129 L +14%, worse
BL24.4 T·m −4%
Xmax8 mm −11%, worse
Sensitivity95.9 dB +1.8
Oberton15NXL701
No current priceFs43 Hz +24%, worse
Qts0.30 +7%
Vas127.1 L +12%, worse
BL21.7 T·m −15%, worse
Xmax9.3 mm –
Sensitivity97.3 dB +3.2, better
No photo
PHL Audio6201MND
No current priceFs36 Hz –
Qts0.27 −4%
Vas140 L +24%, worse
BL25 T·m –
Xmax10.5 mm +17%, better
Sensitivity95.6 dB +1.5
No photo
PHL Audio5241MNDU-7
No current priceFs45 Hz +29%, worse
Qts0.26 −7%
Vas120.5 L +7%
BL24.3 T·m −5%
Xmax7.5 mm −17%, worse
Sensitivity98 dB +3.9, better
CelestionFTR15-4080FD
No current priceFs35 Hz –
Qts0.28 –
Vas164.3 L +45%, worse
BL23.1 T·m −10%
Xmax8.5 mm −6%
Sensitivity95.9 dB +1.8
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.8 out of 517 ratings · Checked 7 Oct 2026Read reviews on Thomann
- Parts Express5.0 out of 58 ratings · Checked 7 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
JP Leisure | £228.26, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £228.26 | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £228.26 | In stock | Visit shop at JP Leisure | |
JP Leisure | £228.26 | In stock | Visit shop at JP Leisure | |
Blue Aran | £229.00 | 0.3% above the lowest price | 3 in stock | Visit shop at Blue Aran |
Blue Aran | £229.00 | 0.3% above the lowest price | 3 in stock | Visit shop at Blue Aran |
Thomann | £229.00 | 0.3% above the lowest price | In stock | Visit shop at Thomann |
Audio Video Parts Import VAT and duty may apply | £184.72 | Special order | Visit shop at Audio Video Parts | |
Parts Express Import VAT and duty may apply | £290.42 | 27% above the lowest price | 6 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 17 JulBlue Aran£232.99 → £229.00Down 1.7% from £232.99
- 30 JunThomann£233.00 → £229.00Down 1.7% from £233.00
- 23 JunJP Leisure£228.44 → £228.26Down 0.1% from £228.44